Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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MOC3021SR2M


Triac & SCR Output Optocouplers 6Pin 400V Optocoupl Rand Phs Triac Drvr
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 970
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AUD 0.3563
Multiples of: 1000

H11B1SR2M


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-SMD
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 970
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AUD 0.3825
Multiples of: 1000

CNY17-3S(TA)-V


Everlight Transistor Output Optocouplers 100-200CTR 5000Vrms -55 to 110 Op Temp
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Everlight 970
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AUD 0.3902
Multiples of: 2

HCPL-814-56AE


Avago Technologies Transistor Output Optocouplers 5000 Vrms 20% CTR
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Broadcom 970
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AUD 0.397
Multiples of: 1

4N38SM


Fairchild Semiconductor Transistor Output Optocouplers
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ON Semiconductor 970
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AUD 0.4034
Multiples of: 1

TIL113SM


Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-SMD
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 970
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AUD 0.4051
Multiples of: 1

MOC3052SR2VM


Triac & SCR Output Optocouplers 6Pin 600V Optocoupl Rand Phs Triac Drvr
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 970
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AUD 0.4261
Multiples of: 1000

SFH615A-3X018T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR>100-200%
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Vishay 970
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AUD 0.4348
Multiples of: 1000

Hot MOC3081M


Optotriac; 5.3kV; Uout:800V; zero voltage crossing driver; DIP6
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ON Semiconductor 970
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AUD 0.4364
Multiples of: 1000

H11L3M


Logic Output Opto-couplers Optocoupler LC Schmitt Trigger
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ON Semiconductor 970
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AUD 0.4389
Multiples of: 1000

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